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Arrangements for Linux/mips.

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This commit is contained in:
gbeauche 2007-06-05 13:15:57 +00:00
parent 5bbda1a589
commit 974f086a8c
1 changed files with 11 additions and 9 deletions
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20
BasiliskII/src/Unix/sigsegv.cpp
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@ -244,7 +244,7 @@ static void powerpc_decode_instruction(instruction_t *instruction, unsigned int
#define SIGSEGV_CONTEXT_REGS (((ucontext_t *)scp)->uc_mcontext.gregs)
#define SIGSEGV_FAULT_INSTRUCTION (unsigned long)SIGSEGV_CONTEXT_REGS[CTX_EPC]
#if (defined(mips) || defined(__mips))
#define SIGSEGV_REGISTER_FILE SIGSEGV_CONTEXT_REGS
#define SIGSEGV_REGISTER_FILE &SIGSEGV_CONTEXT_REGS[CTX_EPC], &SIGSEGV_CONTEXT_REGS[CTX_R0]
#define SIGSEGV_SKIP_INSTRUCTION mips_skip_instruction
#endif
#endif
@ -327,6 +327,13 @@ static void powerpc_decode_instruction(instruction_t *instruction, unsigned int
#define SIGSEGV_REGISTER_FILE (&SIGSEGV_CONTEXT_REGS.arm_r0)
#define SIGSEGV_SKIP_INSTRUCTION arm_skip_instruction
#endif
#if (defined(mips) || defined(__mips__))
#include <sys/ucontext.h>
#define SIGSEGV_CONTEXT_REGS (((struct ucontext *)scp)->uc_mcontext)
#define SIGSEGV_FAULT_INSTRUCTION (SIGSEGV_CONTEXT_REGS.pc)
#define SIGSEGV_REGISTER_FILE &SIGSEGV_CONTEXT_REGS.pc, &SIGSEGV_CONTEXT_REGS.gregs[0]
#define SIGSEGV_SKIP_INSTRUCTION mips_skip_instruction
#endif
#endif
#endif
@ -1144,14 +1151,9 @@ static bool powerpc_skip_instruction(unsigned long * nip_p, unsigned long * regs
// Decode and skip MIPS instruction
#if (defined(mips) || defined(__mips))
enum {
#if (defined(sgi) || defined(__sgi))
MIPS_REG_EPC = 35,
#endif
};
static bool mips_skip_instruction(greg_t * regs)
static bool mips_skip_instruction(greg_t * pc_p, greg_t * regs)
{
unsigned int * epc = (unsigned int *)(unsigned long)regs[MIPS_REG_EPC];
unsigned int * epc = (unsigned int *)(unsigned long)*pc_p;
if (epc == 0)
return false;
@ -1300,7 +1302,7 @@ static bool mips_skip_instruction(greg_t * regs)
mips_gpr_names[reg]);
#endif
regs[MIPS_REG_EPC] += 4;
*pc_p += 4;
return true;
}
#endif